This chapter covers the interface between the CMS REXX (Restructured Extended Executor) language and the SAS/C Library. The interface provided by the library enables you to extend REXX with function packages written in C language. Topics covered include an overview of REXX and function packages, a discussion of how the library interfaces with REXX, and a detailed discussion of the C functions involved. The chapter concludes with a comprehensive example and guidelines. This chapter is intended for applications and systems programmers who work in a CMS environment. A basic understanding of CMS and REXX is assumed.
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